.dua {
	&.dua-banner {
		background-repeat: no-repeat;
		background-size: cover;
		background-position: center;
		position: relative;
	}

	.jumbotron {
		background-color: transparent;
		padding-right: 15px;
		margin-bottom: 0;
	}

	.jumbotron .btn {
		font-size: 21px;
		padding: 14px 24px;
	}

	.demo-swiper {
		position: relative;
		margin: auto;
		width: 100%;
		height: 172px;
		text-align: center;
		background-color: white;
		border-radius: 16px;
		border-color: rgb(19, 17, 17);
		border-style: solid;
		border-width: 4px;
		overflow: hidden;
	}

	.show-swiper {
		position: absolute;
		width: 100%;
		height: 172px;

		.swiper-zoom-container {
			padding: 0 15px;
		}
	}

	/* 小屏幕（平板，大于等于 768px） */
	@media screen and (min-width: @screen-sm-min) {
		.demo-swiper {
			height: 340px;
			border-width: 6px;
		}

		.show-swiper {
			height: 340px;
		}
	}

	/* 中等屏幕（桌面显示器，大于等于 992px） */
	@media screen and (min-width: @screen-md-min) {
		.demo-swiper {
			height: 360px;
			border-width: 6px;
		}

		.show-swiper {
			height: 360px;
		}
	}

	/* 大屏幕（大桌面显示器，大于等于 1200px） */
	@media screen and (min-width: @screen-lg-min) {
		.demo-swiper {
			height: 446px;
			border-width: 8px;
		}

		.show-swiper {
			height: 446px;
		}
	}

}